agenttesla | 4a19ce649f5056cc58e8facde71ef49d442c28fd308be131ecaa64ca1af93274

General

Target

c58dd3d488f98f2f3a033cf1e5d08dd9.ps1
Size

534KB
MD5

c58dd3d488f98f2f3a033cf1e5d08dd9
SHA1

9df35cfaa2e8030561eb7bf9a614a0479844fec9
SHA256

4a19ce649f5056cc58e8facde71ef49d442c28fd308be131ecaa64ca1af93274
SHA512

c4448568f6e43afdd0d98ef01af870fdb8969a85691994c55b4308b48f353bb205f2ffe8f3b194b0b1dba3f7c735fd93431bb7edbdc3899a458237c43d38e345
SSDEEP

12288:hpK5q6LiSSGEjVZ266IQrXUhCuWG/O4TNVQu:hYbubOM

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

http://180.214.239.67/k/p3c/inc/e8cc68c0649f72.php

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/3044-14-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	aspnet_compiler.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe
Key opened	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe
Key opened	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 532 set thread context of 3044	532	powershell.exe	91

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
532	powershell.exe
532	powershell.exe
3044	aspnet_compiler.exe
3044	aspnet_compiler.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	532	powershell.exe
Token: SeDebugPrivilege	3044	aspnet_compiler.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3044	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 532 wrote to memory of 3044	532	powershell.exe	91
PID 532 wrote to memory of 3044	532	powershell.exe	91
PID 532 wrote to memory of 3044	532	powershell.exe	91
PID 532 wrote to memory of 3044	532	powershell.exe	91
PID 532 wrote to memory of 3044	532	powershell.exe	91
PID 532 wrote to memory of 3044	532	powershell.exe	91
PID 532 wrote to memory of 3044	532	powershell.exe	91
PID 532 wrote to memory of 3044	532	powershell.exe	91

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\c58dd3d488f98f2f3a033cf1e5d08dd9.ps1
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:532
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  #cmd
  2⤵
  - Drops file in Drivers directory
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:3044

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_geslvpgi.ax0.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/532-17-0x00007FF8665B0000-0x00007FF867071000-memory.dmp

Filesize
10.8MB

Download
memory/532-10-0x00007FF8665B0000-0x00007FF867071000-memory.dmp

Filesize
10.8MB

Download
memory/532-11-0x00000231636A0000-0x00000231636B0000-memory.dmp

Filesize
64KB

Download
memory/532-12-0x00000231636A0000-0x00000231636B0000-memory.dmp

Filesize
64KB

Download
memory/532-13-0x0000023164060000-0x0000023164076000-memory.dmp

Filesize
88KB

Download
memory/532-0-0x0000023163670000-0x0000023163692000-memory.dmp

Filesize
136KB

Download
memory/3044-20-0x00000000054F0000-0x0000000005582000-memory.dmp

Filesize
584KB

Download
memory/3044-24-0x0000000006390000-0x00000000063F6000-memory.dmp

Filesize
408KB

Download
memory/3044-19-0x0000000005AA0000-0x0000000006044000-memory.dmp

Filesize
5.6MB

Download
memory/3044-14-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3044-21-0x00000000056C0000-0x00000000056D0000-memory.dmp

Filesize
64KB

Download
memory/3044-22-0x0000000005770000-0x000000000580C000-memory.dmp

Filesize
624KB

Download
memory/3044-23-0x0000000005750000-0x0000000005768000-memory.dmp

Filesize
96KB

Download
memory/3044-18-0x0000000074FF0000-0x00000000757A0000-memory.dmp

Filesize
7.7MB

Download
memory/3044-25-0x0000000074FF0000-0x00000000757A0000-memory.dmp

Filesize
7.7MB

Download
memory/3044-26-0x00000000056C0000-0x00000000056D0000-memory.dmp

Filesize
64KB

Download
memory/3044-28-0x0000000006F00000-0x0000000006F50000-memory.dmp

Filesize
320KB

Download
memory/3044-29-0x0000000006A00000-0x0000000006A0A000-memory.dmp

Filesize
40KB

Download
memory/3044-30-0x00000000056C0000-0x00000000056D0000-memory.dmp

Filesize
64KB

Download
memory/3044-31-0x00000000056C0000-0x00000000056D0000-memory.dmp

Filesize
64KB

Download

Analysis

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